target/rx: Drop checks for singlestep_enabled

GDB single-stepping is now handled generically.

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>

Author: rth7680

target/rx/helper.h

@@ -2,7 +2,6 @@ DEF_HELPER_1(raise_illegal_instruction, noreturn, env)
 DEF_HELPER_1(raise_access_fault, noreturn, env)
 DEF_HELPER_1(raise_privilege_violation, noreturn, env)
 DEF_HELPER_1(wait, noreturn, env)
-DEF_HELPER_1(debug, noreturn, env)
 DEF_HELPER_2(rxint, noreturn, env, i32)
 DEF_HELPER_1(rxbrk, noreturn, env)
 DEF_HELPER_FLAGS_3(fadd, TCG_CALL_NO_WG, f32, env, f32, f32)

target/rx/op_helper.c

@@ -451,14 +451,6 @@ void QEMU_NORETURN helper_wait(CPURXState *env)
     raise_exception(env, EXCP_HLT, 0);
 }
 
-void QEMU_NORETURN helper_debug(CPURXState *env)
-{
-    CPUState *cs = env_cpu(env);
-
-    cs->exception_index = EXCP_DEBUG;
-    cpu_loop_exit(cs);
-}
-
 void QEMU_NORETURN helper_rxint(CPURXState *env, uint32_t vec)
 {
     raise_exception(env, 0x100 + vec, 0);

target/rx/translate.c

@@ -150,11 +150,7 @@ static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
         tcg_gen_exit_tb(dc->base.tb, n);
     } else {
         tcg_gen_movi_i32(cpu_pc, dest);
-        if (dc->base.singlestep_enabled) {
-            gen_helper_debug(cpu_env);
-        } else {
-            tcg_gen_lookup_and_goto_ptr();
-        }
+        tcg_gen_lookup_and_goto_ptr();
     }
     dc->base.is_jmp = DISAS_NORETURN;
 }
@@ -2331,11 +2327,7 @@ static void rx_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
         gen_goto_tb(ctx, 0, dcbase->pc_next);
         break;
     case DISAS_JUMP:
-        if (ctx->base.singlestep_enabled) {
-            gen_helper_debug(cpu_env);
-        } else {
-            tcg_gen_lookup_and_goto_ptr();
-        }
+        tcg_gen_lookup_and_goto_ptr();
         break;
     case DISAS_UPDATE:
         tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next);